So, the SEC chairman has challenges and must deal with, let's face it, so many competing interests. All of course trying to sway decisions and policy. But for me, I think the number one job is to protect the integrity of investing for all parties, but even more so for Main Street than the Titans of Wall Street.And on that score, the retail investor has become so much more of a greater trading force in this market. Even though many still say it's not a level playing field, I got to admit, I was very disappoi ...